Schneider, H., He, L., Hennequin, S. and Zhang, X.-C. 2013. Towards a natural classification of Pteridaceae: inferring the relationships of enigmatic pteridoid fern species occurring in the Sino-Himalaya and Afro-Madagascar. Phytotaxa. 77, 4 (Jan. 2013), 49–60. DOI:https://doi.org/10.11646/phytotaxa.77.4.1.